Discovery certificate for object 2018evm
TNS Astronomical Transient Report No. 21431 [ 2018TNSTR1137....1A ]

Date Received (UTC): 2018-08-10 19:15:31
Sender: Mr. Cristovao Jacques
Source Group: BraTS

Leonardo Amaral (Observatorio Campo dos Amarais - OCA), Paulo Holvorcem (Holvorcem Ltda.) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018evm
Discoverer internal name: BraTS-OCA-T1-001
Coordinates (J2000): RA = 17:39:52.250 (264.967708) DEC = -50:11:40.43 (-50.194564)
Discovery date: 2018-08-10 00:54:36 (JD=2458340.5379167)


Remarks: Hostless transient within 10 degress of galactic plane, possible CV

Photometry

Discovery (first detection):
Discovery date: 2018-08-10 00:54:36
Flux: 17.8 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 6 frames taken over 2.19-h period with 0.31-m f/2.9 Newtonian reflector + CCD; zero points calibrated to UCAC-4 magnitudes

Last non-detection:
Last non-detection date: 2018-06-25 04:20:52
Limiting flux: 18.9 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 3 frames taken with 0.31-m f/2.9 Newtonian reflector + CCD; zero points calibrated to UCAC-4 magnitudes

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018evm